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1 markMacroscopic Properties and Phenomena

CSEC Physics · January 2012 · Paper 2 · Question 5(a)(i)

Figure 5 shows two blocks of copper placed in contact. Block A has an initial temperature of 40 °C and Block B has an initial temperature of 70 °C.

What is the direction of net heat transfer between the blocks?

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Other parts of this question

  1. 5(a)(ii)The final equilibrium temperature of the blocks is 52 °C. Convert this temperature to Kelvin.[3 marks]
  2. 5(b)(i)The energy absorbed by the solar collector is 300 kJ and 40% of this is transferred to the 2 kg of water in the copper tubing. If the initial temperature of…[6 marks]
  3. 5(b)(ii)Outline which feature of the solar water heating system shown in Figure 6 demonstrates EACH of the following thermal energy principles: a) Good absorption of…[5 marks]

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